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:eek:

these boards have two major issues: corroded mosfet near the usb c pd-controller and broken EC rom (buggy charging circuit, stuttering touchpad - check with amp meter. the device won't start unless you do a cmos reset or the device won't charge at all or just sometimes post. no guarantee here...

cleared bios, ssd works for me... for anyone who wants it.

err, i didn't need this, but thanks :D. thien bui, your bios uploaded on the main page is not ok. the me engine is the consumer one and not corporate. the bios itself is not working properly, that's why i uploaded my file. you should replace it, with yours. :)

here is a bios with clear me and fresh extracted bios from lenovo website. 100 % working... for t490

here is the newest bios with clean newest me (20VK, 20VL). note this: Please update your BIOS to the latest version, as Lenovo has released critical BIOS updates for select ThinkPad systems to avoid charging issues with some configurations of USB-C power adapters. If you are not sure, please run...

please rebuild bios - just beeps and shuts off (l13 yoga 20VK)

rebuild pls HP 14s-dq3505ng DA0PAKMB6F1 REV:F Model: 0PAK Celeron N4500

same error, np. thanks (device stuck on 0.6 a, after restart it takes only 0.4 a). i guess it's a soc/apu fault. no boardview, no fix :/

i'll try and report, thanks

maybe it helps, disabled onboard ram in bios...

already made it by my own...

rebuild pls - FLV3A LA-K061P REV 1.0!

tried bios from manufacturer, it's another problem. thanks anyway!

katana gf76 11ue-413 (board number: ms-15811 ver 2.0) 11th gen, geforce rtx 3060. press power button, 1-2 s goes off. gpu wasn't recognized before, no short. pls rebuild bios

oops, i'm sorry. thank you

thats not the newest bios :(

ok, i'll send it later this day. the issue with this device is the following: device is restarting, if windows/ubuntu is starting, right after initialization, but the drives/sticks are recognized properly. hardware diagnoses says "passed" to every test. i think it's an UEFI/BIOS issue. thanks...

are you able to extract the newest bios image from website, please?